import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-61,0))
r=w0.sketch().push([(0,-16)]).rect(200,66).push([(-95,0)]).circle(4,mode='s').finalize().extrude(-34).union(w0.workplane(offset=156/2).moveTo(11,29).cylinder(156,20))